A. Seitmuratov, Z.A. Yergalauova, L.S. Kainbayeva, и G.K. Yeshmurat. «PROBLEMS AS METHODOF THE PROFESSIONAL ORIENTATION OF TEACHING MATHEMATICS AT TECHNICAL SPECIALTIES OF HIGHER EDUCTIONAL INSTITUTION». «Доклады НАН РК», вып. 6, декабрь 2019 г., сс. 5-9, http://189185.vm7pq.group/reports-science/article/view/1787.